package com.xgzit.xgzmall.member.exception;

import org.springframework.web.bind.annotation.ExceptionHandler;

/**
 * @Author xgz
 * @Date 2021-06-02 22:31
 */

public class UserNameExistException extends RuntimeException{

    public UserNameExistException() {
        super("用户名已存在");
    }
}
